logo
意见反馈     首页

文章页

Canadian officials critique of 737 MAX software reflects working-level view: Regulator
日期:2019-11-23 06:25 作者: 来源:亚洲新闻网 相似文章:1条
           MONTREAL/WASHINGTON:AnemailsentbyaTransportCanadaofficialurgingBoeingtoremoveananti-stallsysteminvolvedintwo737MAXcrashesreflects"working-leveldiscussions"andwerenotreviewedbytheCanadianregulator,theagencysaidonFriday(Nov22).TheNewYorkTimesreportedthatanengineeringmanagerinaircraftintegrationandsafetyassessmentatTransportCanadaemailedinternationalregulatorsonTuesdaysaying:"TheonlywayIseemovingforwardatthispoint"isthatBoeingsMCASsystem"hastogo."AdvertisementAdvertisementTheemailwassenttotheFederalAviationAdministration(FAA),theEuropeanUnionAviationSafetyAgency(EASA)andBrazil’sNationalCivilAviationAgency,theNewYorkTimessaid.Apersonbriefedonthematterc_onfirm_edthecontentoftheemail,butReutershadnotviewedacopy.Theanti-stallMCASsystemwaslinkedtoMAXcrashesinIndonesiaandEthiopiathattogetherkilled346people.TheMAXhasbeengroundedsinceMarch.TheMCASsystemwasdesignedtocounteracttheeffectonhandlingofthenew,largerenginesonthe737MAX,whichhadtobeplacedfartherforwardandhigheronthewingsbecausethe50-year-old737designsitsrelativelylowtotheground.AdvertisementAdvertisementBoeingisworkingtowinregulatoryapprovalsforproposedfixestoMCASandassociatedpilottrainingsothe737MAXcanflyagain.“Theemailreflectsworking-leveldiscussionsbetweenhighlytrainedaircraftcertificationexpertsofkeyaviationauthoritieswhohavebeengivenwidelatitudeforassessingallissuesandlookingatallalternativesforthesafereturntoserviceoftheaircraft,"TransportCanadasaidinastatement."TheviewsareattheworkinglevelandhavenotbeensubjecttosystematicreviewbyTransportCanada."AseniorindustrysourcewhospokeonconditionofanonymitysaidremovingMCASfromthe737MAXwouldpresentonlya“minor”risk,butdoingsowouldnotbetoleratedunderthestrictrulesregulatingtheaviationindustry.WithoutMCAS,theplanewasunlikelytocomplywiththeregulationsduetothehandlingcharacteristicsthesystemwasdesignedtoaddress,aregulatoryofficialsaid.TheFAAsaidinastatementthatitsinternationalpartnershave"engagedinrobustdiscussionsatvariousstagesinthisprocessaspartofthethoroughscrutinyofBoeing’swork.Thisemailisanexampleofthoseexchanges."Inastatement,BoeingsaidonFridayit"continuestoworkwiththeFAAandglobalregulators."